Mature Woman Receives Messy Internal Finish

In males, testosterone directly increases size and mass of muscles, vocal cords, and bones, deepening the voice, and changing the shape of the face and skeleton. Heavier skull and bone structure. Puberty
According to climate puberty, the age when the human male becomes sexually perfect, varies from ten to fifteen years. A cool, unstimulating vegetable and farinaceous diet may delay the development of the sexual system several months or a year.The signs and changes of puberty
In the boy the signs of puberty are the growth of hair on the skin covering the pubes and in the armpits. The vocal cords grow longer and lower the pitch of the voice. It may offer better hygienic guarantees. Male secondary sex characteristics include:
Growth of body hair, including underarm, abdominal, chest hair and pubic hair.